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2d. The area that is an elongate depression of the earth’s surface usualy between ranges of hill or mountains
3d. The opposite of good
4d.The opposite of internal
5d. When we celebrating birthday we usually ……… someone a present for their birthday
6d. When you are writing an essay you should be careful about the ………..
7d. The elevation of the mountain that making a large angle with the plane of the horizon
8d. When we want to buy things in the supermarket we need to ……….. on the cashier
9d. . -- What is the symbol on the left called in plural form ?
10d. There are a lot of people today that ………. drugs for tranquilizers
11d. to propel a boat by means of oars